private bool PackageAlreadyDownload()
{
if (!File.Exists("downloads/version.xml"))
{
return(false);
}
string dVersionNumber = UpdateUtils.GetVersionNumberFromFile("downloads/version.xml");
if (dVersionNumber != RemoteVersionNumber)
{
return(false);
}
if (PackageFileName == "")
{
return(false);
}
return(File.Exists("downloads/" + PackageFileName));
}
/*
* 1. get version number of remote server
* 2. compare it with the version number of local running, if equal return.
* 3. check if there is a package downloaded in the temporary directory.
* 4. if there is not a package download the pacakge.
* 5. ask user to update and restart.
*/
private void getVersionCallback(String versionXml)
{
ParseRemoteXml(versionXml);
string localversion = UpdateUtils.GetVersionNumberFromFile("version.xml");
if (UpdateUtils.CompareVersion(RemoteVersionNumber, localversion)) // step 2
{
if (PackageAlreadyDownload())
{
DispatchUpdateInfo(null);
}
else
{
string str = DownloadThePackage();
DispatchUpdateInfo(str);
}
}
else
{
return;
}
}